Mazda, Suzuki, Yamaha apologize over improper emissions testing | Shanghai Daily

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August 10, 2018

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Mazda, Suzuki, Yamaha apologize over improper emissions testing

Mazda Motor Corp, Suzuki Motor Corp and Yamaha Motor Co improperly tested vehicles for fuel economy and emissions, the Japanese government said yesterday, revealing fresh cases of compliance failures by manufacturers.

The results came to light after the government ordered the automakers to check their operations following revelations of improper testing at Subaru Corp and Nissan Motor Co last year.

The conduct of automakers globally has come under intense scrutiny since Germany’s Volkswagen AG admitted in 2015 to installing secret software in hundreds of thousands of US diesel cars to cheat exhaust emissions tests, and that as many as 11 million vehicles could have similar software installed worldwide.

In the Japanese cases, the carmakers have not broken any laws or prompted massive recalls. But a growing list of improprieties has tarnished the image of the country’s manufacturing industry.

Suzuki, Mazda and Yamaha cleared vehicles for emissions or fuel efficiency even in cases where they were tested under invalid conditions, the ministry said. The errors related to slight deviations in the speed of the vehicles that should have invalidated the test results.

The automakers examined tests they had conducted over different periods of time and in Suzuki’s case they stretched back to 2012.

None of the automakers found significant problems with actual emissions and fuel economy in the cars to be sold in Japan, and do not plan any recalls.

Suzuki, Japan’s fourth-largest automaker, said that of 12,819 sample vehicles tested for fuel economy and emissions since June 2012, around 50 percent of them had been inspected improperly.

“I deeply apologize and will lead efforts to prevent recurrence,” Suzuki Chief Executive Toshihiro Suzuki told a news conference.

Mazda said there were irregularities in 4 percent of similar inspections on its cars, or just over 70 vehicles. In Yamaha’s case, irregularities were found in 2 percent of inspections, or just a handful of vehicles.

Both Mazda and Yamaha apologized.

Suzuki and Yamaha shares fell 6 and 5 percent, respectively, and Mazda shares were down 1 percent, underperforming a steady benchmark Nikkei average.

In July, Nissan admitted it had improperly measured exhaust emissions and fuel economy for 19 vehicle models sold in Japan.

Kobe Steel, Mitsubishi Materials Corp and Toray Industries — all key suppliers of motor parts to global manufacturers — admitted to product data fabrication last year.




 

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